209-1-1-52-2-9-75

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Circuit Breakers

A circuit breaker refers to an automatic device used to protect electrical circuits from damage caused by excessive current or overloading. This can be caused by a sudden and large increase in load or by a fault on the circuit, such as a short circuit. When the current reaches a predetermined level, the breaker will trip, or open, shutting off the current to the load, thus preventing further damage to the circuit.

The 209-1-1-52-2-9-75 is a double pole, trip-free Circuit Breaker. As the name implies, it is designed to stop the flow of current, in both directions, if the current is too high or becomes an overload. This device is commonly used in industrial and commercial applications.

Application Field

The 209-1-1-52-2-9-75 is a high-performance circuit breaker used in many applications such as industrial electrification, heating and ventilation systems, lighting and security. This circuit breaker is also used in automotive industries as its design allows it to be installed in tight spaces, such as engine compartments.

Working Principle

The 209-1-1-52-2-9-75 circuit breaker works by using overload protection. When an overload or short circuit occurs, the overload protection system detects the excess current and causes the contacts of the breaker to open, effectively breaking the circuit and preventing further damage from occurring. The device features an adjustable current setting, so the user can set the trip point for the current, thereby limiting the current it can handle before it trips.

The device also features a thermal-magnetic trip mechanism which is designed to detect both over-current and thermal overloads. The thermal-magnetic trip provides additional protection and ensures safe operation of the breaker. The breaker has an adjustable reset knob which allows the user to manually reset the breaker in the event that it needs to be reset.

The 209-1-1-52-2-9-75 circuit breaker provides reliable protection for electrical circuits and is suitable for a wide range of applications. It is both UL and CSA approved, which ensures that it meets the highest safety standards. Furthermore, the device is designed for long life, with an expected service life of at least 20 years.

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